package com.yd.mvc.baseController.util;


import sun.misc.BASE64Encoder;

import java.io.UnsupportedEncodingException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class MD5Util {

	/**利用MD5进行加密
	 * @param str  待加密的字符串
	 * @return  加密后的字符串
	 * @throws NoSuchAlgorithmException  没有这种产生消息摘要的算法
	 * @throws UnsupportedEncodingException
	 */
	public static String EncoderByMd5(String str) throws NoSuchAlgorithmException, UnsupportedEncodingException {
		//确定计算方法
		MessageDigest md5= MessageDigest.getInstance("MD5");
		BASE64Encoder base64en = new BASE64Encoder();
		//加密后的字符串
		String newstr=base64en.encode(md5.digest(str.getBytes("utf-8")));
		return newstr;
	}
	public static void main(String[] args) throws UnknownHostException, UnsupportedEncodingException, NoSuchAlgorithmException {
		String localInfo="";
		InetAddress address = InetAddress.getLocalHost();
		localInfo=address.getHostName()+address.getHostAddress();
		String pwdStr= MD5Util.EncoderByMd5(localInfo);//获取加密字符串
	}
}
